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⚡ Power up your gear with confidence—where reliability meets versatility!
The Facmogu 5V 4A AC to DC Power Supply Adapter is a compact, lightweight wall-mounted power brick designed for 5V DC devices requiring up to 4 amps (20W). It features universal 100-240V input compatibility, dual barrel plug support (5.5x2.5mm & 5.5x2.1mm), and built-in protections against voltage, current, and temperature spikes, making it ideal for powering LED strips, routers, audio amps, and more with reliable, noise-free performance.

















| ASIN | B087LY41PV |
| Amperage | 4 A |
| Brand | Facmogu |
| Built-In Media | 1 x AC Adapter |
| Color | Black |
| Compatible Devices | Cameras |
| Compatible Phone Models | Universally compatible with most 5V DC smartphones (not guaranteed) |
| Compatible Power Plug Type | Type A - 2 pin (North American) |
| Connectivity Technology | Barrel Connector |
| Connector Type | Barrel Connector |
| Current | AC to DC |
| Current Rating | 4 A |
| Customer Package Type | FFP |
| Customer Reviews | 4.3 out of 5 stars 296 Reviews |
| Enclosure Material | Plastic |
| Form Factor | Wall Mount |
| Frequency Range | 60 hertz |
| Included Components | 1 x AC Adapter |
| Input Voltage | 5 volts |
| Item Weight | 0.09 kg |
| Main Power Connector Type | 2 Pin |
| Manufacturer | Mo-gu |
| Mfr Part Number | A18190-MG-US |
| Model Number | AL-0540 |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Number of Power Levels | 1 |
| Output Current | 4 A |
| Output Voltage | 5 volts |
| Plug Type | Barrel Connector |
| Power Plug | Type A - 2 pin (North American) |
| Power Source | Corded Electric |
| Special Feature | Lightweight Design |
| Special Features | Lightweight Design |
| Specification Met | MFI |
| Unit Count | 1 Count |
| Wattage | 20 watts |
N**.
Needed a quit power source for my IFI headphone amplifier.
So far so good. Fast delivery. Using on my Douck Audio U10 headphone amp. Works great,no static or noise. Sometimes you get bad noise off of those little cube phone chargers. Plus manual states it needs at least 2amps to run right. And it does really needs the extra amps. I originally bought to use with my IFI air can headphone amplifier. But decided to try it out on the U10. It works great and it is a great improvement with this little unit. I might just keep the U10 connected now.
L**H
Great 5V power brick that can provide up to 4 Amps
This is the second one that I have bought to replace failed power supplies by other manufacturers. The two things that really stand out in its favor is the UL rating and the 4 Amp capability. The first is quite unusual for power bricks. Second, most cheap power bricks (that come as part of a product) fail because they are used at or near their current rating and the 4A rating gives some head room and should make the brick last well past the lifespan of what it is powering.
I**L
Power Adapter
I've had mo problems with this. Shipped fast and arrived in great condition.
K**E
Decent power supply that does what it needs to do.
I needed a 5v power supply with something higher than 2A. The supplied 4A fit my needs well. There is a green LED light that shines brightly when plugged into an outlet. For me, this is not an issue, but some might not like the distraction. My only complaint is that it came with scratches all over the housing. Overall, I'm happy with my purchase.
J**Y
Plenty of power until it quit
I used this to power my homemade wagon wheel chandelier led lanterns. I wanted a device that would deliver the current and voltage requirements of the project. This adapter provides the heartbeat of the lighting fixture. UPDATE: Device failed within a year.
X**Z
Wire is so short it can't reach from floor to table.
This thing works okay, though I haven't taken a multi-meter to see if it actually can put out 4 amps. Be aware, however that someone at Facmogu (ha ha ha, looks like a randomly generated password, not a "brand") decided he could save .001 cents per product by making the wire barely longer than 36 inches. Do they sit on the floor by the electric outlet in China? 2 feet longer would cost 2-3 cents but bad reviews cost a lot more.
A**.
Broke before use
Plugged into wall, green light flashed and then turned off. Tried multiple outlets and confirmed they work, its the power supply that broke before even using it.
P**D
Used it for my project and it has lasted me for a while now.
Great product I bought this for an LED project I was working on for my niece. Worked out like a charm. And after all this time it’s still working.i bought a couple of these.
E**M
ja ja ja
Conectado. El enchufe encaja en mi nanocomputadora. Y la computadora arranca. Así es como me encanta una compra.
B**S
Très bon produit
Très bonne article
D**B
Exactly as advertised
Works great!
J**M
Good replacement
So far so good. A much needed adapter for my powered USB hub.
C**M
Very hot when used on a led panel
Works but heats a lot on a 64x32 led panel Will need to use something else.
Trustpilot
1 month ago
1 month ago